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Technical Data Sheet
PartsTable / COMPONENT / 121950
121950 ✓ Verified by PartsTable
Hama · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The DRIVE COVER,IMPELLER is a Hama industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 2520-00-400-6453, indicating validated use in U.S.

government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
121950
NSN: 2520-00-400-6453
FSC: 2520
CAGE: 45RP7 — DRESSTA NORTH AMERICA LTD (USA)
SPECIFICATIONS
Part Number121950
ManufacturerHama
NSN2520-00-400-6453
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR MFR: Hama DRIVE COVER,IMPELLER TITLE COMPONENT PN 121950 MFR Hama DRIVE COVER,IMPELLER
KEY FEATURES
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: 4.812 IN.OUTSIDE DIA,2.812 IN.HIGH,CLUTCH TOOTH DATA 36 TEETH,8 PITCH DIA,20 DEG PRESSURE ANGLE,TWENTY FOUR 0.406 IN.DIA MTG HOLES EQUALLY SPACED,AND TWO THD HOLES 3/8-16,UNC,3B EQUALLY SPACED ON 14.062 IN.DIA BOLT CIRCLE IN
TECHNICAL CHARACTERISTICS (FLIS)
GENERAL CHARACTERISTICS ITEM DESCRIPTION4.812 IN.OUTSIDE DIA,2.812 IN.HIGH,CLUTCH TOOTH DATA 36 TEETH,8 PITCH DIA,20 DEG PRESSURE ANGLE,TWENTY FOUR 0.406 IN.DIA MTG HOLES EQUALLY SPACED,AND TWO THD HOLES 3/8-16,UNC,3B EQUALLY SPACED ON 14.062 IN.DIA BOLT CIRCLE IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
21492AInterchangeable
interchangeable cross-reference
interchangeable
21492Interchangeable
interchangeable cross-reference
interchangeable
21492-2Interchangeable
interchangeable cross-reference
interchangeable
220 494Interchangeable
interchangeable cross-reference
interchangeable
D-121950Interchangeable
Same NIIN cross-reference
interchangeable
D72583Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 121950?
121950 is a DRIVE COVER,IMPELLER manufactured by Hama.
What parts can replace 121950?
There are 6 known substitutes for 121950: 21492A, 21492, 21492-2 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 121950?
121950 is cataloged in the Federal Logistics Information System (FLIS) under NSN 2520-00-400-6453. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026